Home / 16,030.40-22,128.14-14,348.84

Finding the Fourth Proportional to 16,030.40, 22,128.14 and 14,348.84

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Solution

The fourth proportional to 16,030.40, 22,128.14 and 14,348.84 is: 19,806.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,030.40 : 22,128.14 = 14,348.84 : x
  2. Step 2: Convert to fraction form
    16,030.40/22,128.14 = 14,348.84/x
  3. Step 3: Cross multiply
    16,030.40x = 22,128.14 × 14,348.84
  4. Step 4: Simplify right side
    16,030.40x = 317,513,123.93
  5. Step 5: Solve for x
    x = 317,513,123.93/16,030.40
  6. Step 6: Final answer
    x = 19,806.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.